N4320 over Frazier Creek
Pushmataha County, Oklahoma · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N4320 over Frazier Creek in Pushmataha County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1939, making it 86 years old at the 2025 inventory.
- It carries about 24 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 80 of the 246 inventoried bridges in Pushmataha County rated fair (32.5%); 10 (4.1%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (34.21548, -95.34269)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 35 ft |
| Location | 1.0 Mi N of Oleta |
| NBI structure number | 070140000000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oklahoma department of transportation.
Busiest bridges in Pushmataha County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ind. Nation Tp over Creek | 1965 | 3,900 | Good |
| Ind. Nation Tp over Creek | 1965 | 3,900 | Good |
| Ind. Nation Tp over Ten Mile Creek No. 3 | 1968 | 3,900 | Good |
| Ind. Nation Tp over Ten Mile Creek No. 2 | 1968 | 3,900 | Fair |
| Ind. Nation Tp over Ten Mile Creek No. 1 | 1968 | 3,900 | Good |
| Ind. Nation Tp over Creek | 1970 | 3,900 | Good |
All bridges nearby: Pushmataha County, OK bridge conditions · every bridge in Pushmataha County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.